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St. Louis Group (SLG) and Zeller Polymer Solutions, an affiliate of St. Louis Group, have the same overarching commitment to excellence and innovation while bringing a wealth of expertise to the chemical additives industry.Founded in 2010, St. Louis Group has since grown into a leading supplier of Flame Retardants (FRs) and Smoke Suppressants with a diverse portfolio. SLG’s alliances with a global network of suppliers, in combination with our domestic manufacturing operations, allow us to offer halogenated and non-halogenated solutions to our customers. Due to our broad product lines and knowledge of additive, reactive, intumescent, and low smoke mechanisms, SLG is able to also provide tailor made low viscosity solutions to meet the most stringent flammability and smoke requirements. Our industry experience, reliable supply channels, cutting-edge technologies, custom offerings, and unsurpassed commitment to customer service make SLG your preferred choice in the industry.Zeller Polymer Solutions specializes in Antioxidant and UV Light Stabilizer solutions. Our team of experts are equipped with decades of experience in the chemical additives industry with the primary goal to exceed the expectations of our customers, both present and future. At Zeller, we understand the importance of efficient logistics and prompt delivery. With our robust global logistics capabilities and our strategically located warehouses, we ensure that our products reach customers around the world in a timely manner. We pride ourselves on delivering products of the utmost quality while still constantly driving innovation to provide you with the latest solutions and technologies. Zeller’s unwavering commitment to unparalleled customer service ensures that your needs are always our top priority. With our extensive global capabilities, we not only guarantee high-quality products but also strive to offer them at competitive prices, resulting in cost savings for our customer.Together, St. Louis Group and Zeller Polymer Solutions are at the forefront of the chemical additives industry, delivering excellence, innovation, and customer-focused solutions on a global scale.

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BroShield® 21-B is a high purity, non-diphenyl oxide, brominated flame retardant with excellent thermal stability.

BroShield® 21-B

BroShield® RB-11 is an efficient flame retardant for achieving the ASTM E-84 flammability test. The high halogen content & low viscosity make it a suitable choice over diols.

BroShield® RB-11

PhosGard® 140 is a low viscosity tris (2-butoxyethyl) phosphate that acts as an effective leveling agent and defoamer.

PhosGard® 140

PhosGard® NH4 is a halogen free phosphate flame retardant/plasticizer that demonstrates very low scorch & volatility.

PhosGard® NH4

SmokeShield® ZB4 is a fine particle sized zinc borate smoke suppressant. It also acts as a flame retardant synergist and a partial replacement of antimony oxide.

SmokeShield® ZB4

SmokeShield® ZM-2 is a high performance, non-molybdenum, low cost AOM replacement smoke suppressant with excellent thermal stability.

SmokeShield® ZM-2

Z-LITE® 94 is an effective hindered amine light stabilizer used in polyolefin and other polymers.

Z-LITE® 94

Z-NOX® 1076 is a hindered phenolic antioxidant that is suitable for thermoplastics and synthetic fibers.

Z-NOX® 1076

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St. Louis Group is an established &amp; viable supplier of brominated flame retardants. We are a domestic manufacturer of brominated polyols and blends. We also have contract manufacturing operations in China. Specialty dispersions and masterbatches are available upon request.

BroShield

St. Louis Group is one of the largest volume suppliers of antimony trioxide (ATO) in the US market. We are vertically integrated with mining and production operations in Bolivia and have contract manufacturing operations in China. Specialty dispersions and masterbatches are available upon request.

FireGard

Our FireBlend® line offers alternatives to antimony trioxide. We produce these proprietary products domestically and tailor them to flame retardant requirements.

FireBlend

St. Louis Group offers a wide range of highly effective liquid &amp; powder phosphorus based flame retardants. Specialty dispersions, blends, and masterbatches are available upon request.

PhosGard

St. Louis Group manufactures and distributes a comprehensive line of smoke suppressants that include traditional smoke suppressants, as well as low cost AOM alternatives and high-performance proprietary blends.

SmokeShield

St. Louis Group offers a variety of magnesium hydroxide halogen free flame retardants.

MagFlam

APYRAL

Polyfill

Z-LITE

St. Louis Group ATS-325 is also known as Antimony (III) Sulfide, is a versatile compound tailored for various applications. It is crucial in ammunition manufacturing, pyrotechnics, and brake lining production. With its distinctive properties, this powdered substance contributes to the safety and performance of automotive, industrial, and military sectors. Available in convenient bags, it aligns with technology advancements and finds relevance in base chemicals, automotive, and defense markets.

St. Louis Group ATS-325

St. Louis Group ATS-200 is a versatile compound with various applications. It finds use in ammunition manufacturing, pyrotechnics, and as a key ingredient in brake linings. With a chemical name of Antimony (III) Sulfide, this black powder is available in bags for easy handling. Its distinct properties make it an essential component in the automotive, transportation, industrial, and military sectors, enhancing safety and performance.

St. Louis Group ATS-200

St. Louis Group Antimony Metal is a versatile ingot form of antimony, serving a range of vital roles. This metal finds its significance in applications such as batteries manufacturing and soldering flux, contributing to the creation of cables and supporting electrical and electronics markets. As an essential component in technical salts and inorganics, it embodies the prowess of antimony compounds. Antimony Metal is available in 4 grades: G1,G2,G3,G4.


St. Louis Group Antimony Metal

BroShield® 5220 is a reactive flame retardant comprising 60% aliphatic bromine. It proves exceptionally effective as a reactive flame retardant for polyurethanes and unsaturated polyesters. Its elevated bromine content, coupled with outstanding light stability and chemical resistance properties, establishes it as a favorable choice over halogenated anhydride flame retardants.

BroShield® 5220

PhosGard® APP-MC emerges as a melamine-coated, fine particle crystal phase II modified Ammonium Polyphosphate, seen in its fine white powder form. Its role aligns with that of an effective non-halogenated flame retardant suitable for water-based coatings, polyurethanes, thermosets, and polyolefins.

PhosGard® APP-MC

Z-LITE® 55 is an antioxidant and stabilizer categorized under both plastics and elastomers. This powder form additive is designed for various polymers including acrylics, ABS, PC, polyesters, PVC, and polystyrenes. It is identified by the chemical name 2-(2H-benzotriazol-2-yl)-p-cresol. Z-LITE® 55 features odorless properties and comes in cartons. It complies with regulations such as CERCLA, SARA 313, Clean Water Act (CWA) certification, and AIIC (Australia) chemical inventory.

Z-LITE® 55

BroShield® 8207 is a flame-retardant polymer additive suitable for both plastics and elastomers. This liquid additive, which is halogenated, is particularly compatible with PVC and polyurethanes (PU). It finds applications in processes like foams and is available in drums. It conforms to regulatory standards such as CERCLA, SARA 313, TSCA (USA), Clean Water Act (CWA) certification, and California Proposition 65.

BroShield® 8207

Z-NOX® 3114 is an antioxidant formulated for plastics &amp; elastomers applications. Belonging to the chemical family of phenols, this product serves as a protective agent against oxidation processes. Compatible with polymers and resins such as acrylonitrile butadiene styrene (ABS), polycarbonates (PC), polyethylenes (PE), and polypropylenes (PP), Z-NOX® 3114 offers the benefit of low color formation and low gas fade. This essential additive enhances material quality by preventing degradation and maintaining the appearance and properties of plastics and elastomers in various technological uses.

Z-NOX® 3114

BroShield® 25B is a potent flame retardant for industrial applications. This powder, characterized by its white color, belongs to the brominated compounds family. Its chemical composition, Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl] sulphone, offers excellent thermal stability, ensuring reliable performance. BroShield® 25B is compliant with TSCA (USA) regulations and is conveniently packaged in bags. This solution excels in providing effective flame resistance and is a valuable addition to industrial additive portfolios.

BroShield® 25-B

St. Louis Group

St. Louis Group (SLG) and Zeller Polymer Solutions, an affiliate of St. Louis Group, have the same overarching commitment to excellence and innovation while bringing a wealth of expertise to the chemi

St Louis Group - Flame Retardants - Smoke Suppressants - Knowde

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FireBlend® 33-A is a flame retardant powder designed for industrial additives, particularly in textiles. It has regulatory compliance in various chemical inventories including AICS (Australia), DSL (Canada), ECL (Korea), EINECS (EU), ELINCS (Europe), ENCS (Japan), IECSC (China), NDSL (Canada), PICCS (Philippines), and TSCA (USA). This product is used in the textile industry for technical fabrics, ensuring flame resistance in applications like leather and textiles.

FireBlend® 33-A

FireBlend® 25-X is a flame retardant with notable benefits including excellent dispersibility and flame resistance. As a CASE ingredient, it functions effectively as a flame retardant. It complies with chemical inventories such as AICS, DSL, ECL, EINECS, ELINCS, ENCS, IECSC, NDSL, PICCS, and TSCA. This powder is conveniently packaged in bags. FireBlend® 25-X offers reliable flame resistance along with excellent dispersibility, making it a valuable choice for various applications.

FireBlend® 25-X

FireBlend® 11 is a highly effective additive designed to enhance fire safety in plastics and elastomers. It functions as both a flame retardant and a smoke suppressant, making it an ideal choice for various applications. This additive is compatible with polymers like polyesters, polyolefins, and PVC. Its white powder form makes it easy to incorporate into different materials.

FireBlend® 11

FireBlend® 300 is a flame retardant with significant benefits, offering exceptional flame resistance. As a CASE ingredient, it functions as an effective flame retardant. It's compliant with various chemical inventories including AICS, DSL, ECL, EINECS, ELINCS, ENCS, IECSC, NDSL, PICCS, and TSCA. This powder is compatible with polyvinyl chloride (PVC) and is conveniently packaged in bags. FireBlend® 300 provides reliable flame resistance, making it an ideal choice for various applications.

FireBlend® 300

FireBlend® 200 is a flame retardant with exceptional flame resistance properties. It falls under CASE ingredients and is widely used as a functional additive. This product meets regulatory requirements across different regions, including AICS (Australia), DSL (Canada), ECL (Korea), EINECS (EU), ELINCS (Europe), ENCS (Japan), IECSC (China), PICCS (Philippines), and TSCA (USA) chemical inventories.

FireBlend® 200

FireBlend® 22-C is an antimony-based low-smoke flame retardant synergist. It operates as an effective synergist, offering a harmonious combination of flame retardancy, smoke suppression, and heat stability. This product aptly replaces Antimony Trioxide, making it a well-suited choice for applications requiring comprehensive fire safety attributes.

FireBlend® 22-C

FireBlend® 400 is a flame retardant featuring outstanding flame resistance properties. Categorized under CASE ingredients, it functions effectively as a flame retardant additive. It complies with chemical inventories regulations in multiple regions, including AICS (Australia), DSL (Canada), ECL (Korea), EINECS (EU), ENCS (Japan), IECSC (China), PICCS (Philippines), and TSCA (USA).

FireBlend® 400

FireBlend® 500 is a flame retardant designed for CASE (coatings, adhesives, sealants, and elastomers) ingredients. It provides excellent flame resistance to various materials, particularly polyvinyl chloride (PVC). This powder-form additive is conveniently packaged in bags, ensuring easy handling and integration.

FireBlend® 500

FireBlend® 600 is a flame retardant additive designed for use in CASE (coatings, adhesives, sealants, and elastomers) ingredients. It offers excellent flame resistance properties, making it suitable for various applications. FireBlend® 600 is compatible with polyvinyl chloride (PVC) polymers and is available in a convenient powder form.

FireBlend® 600

FireBlend® 33-A is a flame retardant powder designed for industrial additives, particularly in textiles. It has regulatory compliance in various chemical inventories including AICS (Australia), DSL (C

St. Louis Group - Flame Retardant - Knowde

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FireBlend® 33-A

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